#-*- coding: utf-8 -*-
#
lista1 = [ 1 , 2 , 3 , 2 , 4 , 5 , 4 , 5 , 5 , 1 , 3 ]
lista2 = [ x for x in set ( lista1 ) ]
print lista2

s1 =  {'A' , 'B' , 'C' , 'D' , 'E' }
s2 = { 'A' , 'B' }

print s1 & s2 , s1 ^ s2 , s1 | s2
print s1 < s2 , s1 - s2

print s1.union ( s2 ) , s1.intersection ( s2 )
